3319174754 The by Unknown

Author:Unknown [Unknown]
Language: eng
Format: epub
Published: 2015-07-20T05:39:52+00:00

114

Where are the eyes?

Eyes and mouthparts at the front

In determining the front and the back side of a particularly unu-right) – in this particular case, the animal's anterior points to sual animal, we normally try to look for its eyes. The left picture the left side. It might be helpful to look for mouthparts, which shows the grub of a swallowtail butterfly (Papilio machaon),

are usually located near the animal's eyes (see bottom right).

whose eyes are rather hard to find (see the arrow).

However, it may not always be easy to differentiate

This task becomes even more difficult

mandibles from mere protruding bristles which

in caterpillars of vapourers

the animal uses for protection.

(Orgyia antiqua, top

Caterpillar of a swallowtail (Papilio machaon)

H. F. Paulus Evolutionswege zum Larvalauge der Insekten - Ein Modell für die Entstehung und Ableitung der ozellären Lateralaugen der Myriapoda von Facettenaugen (1986): Zool.Jb.Syst. 113 (3): 353-371.

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